The Fermi surface of underdoped high-Tc superconducing cuprates

@article{Dai1997TheFS,
  title={The Fermi surface of underdoped high-Tc superconducing cuprates},
  author={X. Dai and Z. Su and Lu Yu},
  journal={Physica C-superconductivity and Its Applications},
  year={1997},
  pages={1669-1670}
}
  • X. Dai, Z. Su, Lu Yu
  • Published 1997
  • Physics
  • Physica C-superconductivity and Its Applications
  • Copyright (c) 1997 Elsevier Science B.V. All rights reserved. The coexistence of π-flux state and d-wave RVB state is considered in this paper within the slave boson approach. A critical value of doping concentration δ c is found, below which the coexisting π-flux and d-wave RVB state is favoured in energy. The pseudo Fermi surface of spinons and the physical electron spectral function are calculated. A clear Fermi-level crossing is found along the (0,0) to (π,π) direction, but no such crossing… CONTINUE READING

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